Synopsis：Phoebe Reed, a poor female student, accidentally traveled to a parallel world and gained an incredible ability - she can hear the voices of all babies! With this magical ability, she successfully comforted billionaire William Astor's crying son Theo, and obtained a nanny job with a monthly salary of up to $100,000. From a poor girl who was looked down upon by everyone, to a golden nanny that wealthy families relied on, Phoebe's life has undergone earth-shaking changes. However, when the young heir to the Kensington family suddenly falls ill, Phoebe accidentally discovers an elaborate poisoning plot through the baby's voice.